Finding the Fourth Proportional to 5,975,207,376.84, 8,962,196,861.63 and 1,990,861,155.05
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Solution
The fourth proportional to 5,975,207,376.84, 8,962,196,861.63 and 1,990,861,155.05 is: 2,986,087,087.93
Step by Step Solution
- Step 1: Write the proportion equation
5,975,207,376.84 : 8,962,196,861.63 = 1,990,861,155.05 : x - Step 2: Convert to fraction form
5,975,207,376.84/8,962,196,861.63 = 1,990,861,155.05/x - Step 3: Cross multiply
5,975,207,376.84x = 8,962,196,861.63 × 1,990,861,155.05 - Step 4: Simplify right side
5,975,207,376.84x = 17,842,489,595,690,156,032 - Step 5: Solve for x
x = 17,842,489,595,690,156,032/5,975,207,376.84 - Step 6: Final answer
x = 2,986,087,087.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.